Was not this implemented once and then dropped for some reason?
On ke, 2016-07-20 at 16:18 +0300, ville.syrjala@xxxxxxxxxxxxxxx wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Add "bad-rotation" subtest to make sure the kernel rejects some
> invalid rotation values (0 and specifying multiple angles at one).
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> tests/kms_rotation_crc.c | 33 +++++++++++++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
>
> diff --git a/tests/kms_rotation_crc.c b/tests/kms_rotation_crc.c
> index 6cc15337fff9..e10a0a770437 100644
> --- a/tests/kms_rotation_crc.c
> +++ b/tests/kms_rotation_crc.c
> @@ -237,6 +237,31 @@ static void wait_for_pageflip(int fd)
> igt_assert(drmHandleEvent(fd, &evctx) == 0);
> }
>
> +static void test_bad_prop_value(data_t *data)
> +{
> + igt_display_t *display = &data->display;
> + int valid_tests = 0;
> + enum pipe pipe;
> + igt_plane_t *plane;
> + int ret;
> +
> + for_each_pipe(display, pipe) {
> + for_each_plane_on_pipe(display, pipe, plane) {
> + igt_require(igt_plane_supports_rotation(plane));
> +
> + ret = drmModeObjectSetProperty(display->drm_fd,
> + plane->drm_plane->plane_id,
> + DRM_MODE_OBJECT_PLANE,
> + plane->rotation_property,
> + data->rotation);
> +
> + igt_assert_eq(ret, -EINVAL);
> + valid_tests++;
> + }
> + }
> + igt_require_f(valid_tests, "no valid crtc/connector combinations found\n");
> +}
> +
> static void test_plane_rotation(data_t *data, enum igt_plane plane_type)
> {
> igt_display_t *display = &data->display;
> @@ -508,6 +533,14 @@ igt_main
>
> igt_display_init(&data.display, data.gfx_fd);
> }
> + igt_subtest_f("bad-rotation") {
> + data.rotation = 0;
> + test_bad_prop_value(&data);
> +
> + data.rotation = IGT_ROTATION_0 | IGT_ROTATION_180;
> + test_bad_prop_value(&data);
> + }
> +
> igt_subtest_f("primary-rotation-180") {
> data.rotation = IGT_ROTATION_180;
> test_plane_rotation(&data, IGT_PLANE_PRIMARY);
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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